I just had the first request to remove a blog post about a project of theirs. There are multiple broken links on this blog, where Github projects have disappeared. This is the first blog post that I’ve taken down.
If you don’t want to have people see your project, maybe you should not post it on Github to be publicly-viewable. If you’re concerned about privacy issues about your name being associated with a project, perhaps you should not use your name on that Github account. Many of my posts are based on watching Github for new projects, which is how I found the <now-deleted-project>: